cancer risk factor

1. non modifiable risk factor

1.1. age (65 and older)

1.2. gender

1.2.1. men ( prostate cancer)

1.2.2. women (breast cancer)

1.3. genetic

2. modifiable risk factor

2.1. life style

2.1.1. tobacco

2.1.1.1. 85% - 90% of all lung cancer

2.1.2. diet

2.1.2.1. high fat diet ;40% of cancer risk

2.1.3. alcohol

2.1.3.1. breast,oral,liver,esophageal cancers

2.1.4. physical inactivity

2.2. environment

2.2.1. sunlight

2.2.1.1. ultraviolet radiation, sun lamp,tanning bed

2.2.2. chemical exposure

2.2.2.1. chemical,metals,pesticides

2.2.3. radiation

2.2.3.1. radon gas increase the risk of lung cancer

2.2.4. viruses

2.2.4.1. HPV

2.2.5. water and pollution